map_lookup_and_delete_elem
int (*map_lookup_and_delete_elem)(struct bpf_map *map, void *key,
.map_lookup_and_delete_elem = htab_map_lookup_and_delete_elem,
.map_lookup_and_delete_elem = htab_lru_map_lookup_and_delete_elem,
.map_lookup_and_delete_elem = htab_percpu_map_lookup_and_delete_elem,
.map_lookup_and_delete_elem = htab_lru_percpu_map_lookup_and_delete_elem,
.map_lookup_and_delete_elem = stack_map_lookup_and_delete_elem,
err = map->ops->map_lookup_and_delete_elem(map, key, value, attr->flags);
err = map_lookup_and_delete_elem(&attr);